If you have a model kit, build the following structure. If you don't have a model kit use the virtual molecular modeling website. Look down the C2-C3 bond. Rotate the bond in 60° increments. Identify the highest energy eclipsed structure and draw its Newman projection below. Identify the lowest energy staggered conformation and draw its Newman projection below. highest E eclipsed conformer lowest E staggered conformer

If you have a model kit, build the following structure. If you don't have a model kit use the virtual molecular modeling website. Look down the C2-C3 bond. Rotate the bond in 60° increments. Identify the highest energy eclipsed structure and draw its Newman projection below. Identify the lowest energy staggered conformation and draw its Newman projection below. highest E eclipsed conformer lowest E staggered conformer

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter6: Alkanes & Alkenes

Section: Chapter Questions

Problem 4E: Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This...

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Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This group is called an ethyl group and can be considered a sphere about twice the sizeof a methyl group. Draw the following Newman projections sighting down the C1C2 bond... a. The lowest potential energy conformation. b. The highest potential energy staggered conformation.
2. Convert the following bond-line structure to Newman projections that represents it lowest energy and highest energy conformations. Look down the indicated C2-C3 bond. lowest energy highest energy
3. For pentane draw Newman projections for the Syn-periplanar, conformation. the Anti- periplanar conformation and a Gauche conformation. Use C2 as the front carbon and C3 as the back carbon. Label each conformation, circle the highest energy conformation and underline the lowest energy conformation.
Create a conformational analysis using the molecule in the picture. Follow the instruction in the picture when you transform the molecule into its Newman projection. Which conformer is the most unstable? Explain.
Create a conformational analysis using the molecule in the picture. Follow the instruction in the picture when you transform the molecule into its Newman projection. Explain the conformations.
Please do't provide handwritten solution .....
3. Draw Newman projection for the highest and lowest energy conformers of your assigned molecule. Provide a rationale to support your answer. In other words, why is the highest energy conformer so high in energy? Why is the lowest energy conformer low in energy? Molecule (2R,3S)-2-Bromo-3- Floro butane
C. Using your molecular modeling kit, construct cis-1,4-dimethylcyclohexane. In the space below, draw one of the chair conformations. Label the methyl groups as either axial (a) or equatorial (e). Number the carbons of the cyclohexane ring, perform a chair flip and draw the new chair conformation.
5. a-G a- Convert the following Newman projection into the bond line structural formula. Must use stereobonds to indicate the orientation of the groups. H3CO CN b- Draw the anti, gauche, and eclipsed conformations of the following molecule using Newman projection. H H H H c- i. Which cyclopropane molecule has the highest torsional strain? ii. Which cyclopropane molecule has the lowest torsional strain? C b a
nces IMalings REVIEW VIew E. 三 2 T Aa - AaBbCc[ AaBbCc[ AaBbCc[ AaBbC ay - A 三,這, T Normal 1 Body Text 1 List Para... T No Sp Paragraph Styles Q2. Draw all possible Newman projections for the below structure by sighting along the indicated bond. Arrange the relative stability of all conformations by assigning a number (1 for the least stable and highest number for the most stable) C3-C-4
3. Draw a Newman projection for the most stable conformer of 2-cyclopentyl-6- methylheptane. Look down the C2–C3 bond in order to make your drawing.
Do not give handwriting solution.